package com.example.demo.mapper;

import com.example.demo.entity.User;
import org.springframework.stereotype.Component;

/**
 * ClassName:userMapper
 * Package:com.example.demo.mapper
 * Description:
 *
 * @date:2019/12/13 10:31
 * @author:
 */
@Component
public interface userMapper {
    public User findByname(String userName);

}
